1 What: /sys/bus/wmi/devices/6932965F- 1 What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
2 Date: Apr 2021 2 Date: Apr 2021
3 KernelVersion: 5.13 3 KernelVersion: 5.13
4 Contact: "<perry.yuan@dell.com>" !! 4 Contact: "perry.yuan@dell.com>"
5 Description: 5 Description:
6 Display which dell hardware le 6 Display which dell hardware level privacy devices are supported
7 “Dell Privacy” is a set of 7 “Dell Privacy” is a set of HW, FW, and SW features to enhance
8 Dell’s commitment to platfor 8 Dell’s commitment to platform privacy for MIC, Camera, and
9 ePrivacy screens. 9 ePrivacy screens.
10 The supported hardware privacy 10 The supported hardware privacy devices are:
11 !! 11 Attributes:
12 Attributes: !! 12 Microphone Mute:
13 Microphone Mute: <<
14 Identifies the 13 Identifies the local microphone can be muted by hardware, no applications
15 is available t 14 is available to capture system mic sound
16 15
17 Camera Shutter: !! 16 Camera Shutter:
18 Identifies cam 17 Identifies camera shutter controlled by hardware, which is a micromechanical
19 shutter assemb 18 shutter assembly that is built onto the camera module to block capturing images
20 from outside t 19 from outside the laptop
21 20
22 Values: !! 21 supported:
23 <<
24 supported: <<
25 The privacy de 22 The privacy device is supported by this system
26 23
27 unsupported: !! 24 unsupported:
28 The privacy de 25 The privacy device is not supported on this system
29 26
30 For example to check which pri !! 27 For example to check which privacy devices are supported:
31 28
32 # cat /sys/bus/wmi/drivers !! 29 # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
33 [Microphone Mute] [support !! 30 [Microphone Mute] [supported]
34 [Camera Shutter] [supporte !! 31 [Camera Shutter] [supported]
35 [ePrivacy Screen] [unsuppo !! 32 [ePrivacy Screen] [unsupported]
36 33
37 What: /sys/bus/wmi/devices/6932965F- 34 What: /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
38 Date: Apr 2021 35 Date: Apr 2021
39 KernelVersion: 5.13 36 KernelVersion: 5.13
40 Contact: "<perry.yuan@dell.com>" !! 37 Contact: "perry.yuan@dell.com>"
41 Description: 38 Description:
42 Allow user space to check curr 39 Allow user space to check current dell privacy device state.
43 Describes the Device State cla 40 Describes the Device State class exposed by BIOS which can be
44 consumed by various applicatio 41 consumed by various applications interested in knowing the Privacy
45 feature capabilities 42 feature capabilities
46 !! 43 Attributes:
47 Attributes: !! 44 muted:
48 Microphone: !! 45 Identifies the privacy device is turned off and cannot send stream to OS applications
49 Identifies the !! 46
50 is available t !! 47 unmuted:
51 !! 48 Identifies the privacy device is turned on ,audio or camera driver can get
52 Camera Shutter: !! 49 stream from mic and camera module to OS applications
53 Identifies cam !! 50
54 shutter assemb !! 51 For example to check all supported current privacy device states:
55 from outside t !! 52
56 !! 53 # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
57 Values: !! 54 [Microphone] [unmuted]
58 muted: !! 55 [Camera Shutter] [unmuted]
59 Identifies the <<
60 and cannot sen <<
61 <<
62 unmuted: <<
63 Identifies the <<
64 audio or camer <<
65 and camera mod <<
66 <<
67 For example to check all suppo <<
68 <<
69 # cat /sys/bus/wmi/drivers <<
70 [Microphone] [unmuted] <<
71 [Camera Shutter] [unmuted] <<
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